Home / 657,816,325,309.56-986,028,076,596.80-221,267,639,165.76

Finding the Fourth Proportional to 657,816,325,309.56, 986,028,076,596.80 and 221,267,639,165.76

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Solution

The fourth proportional to 657,816,325,309.56, 986,028,076,596.80 and 221,267,639,165.76 is: 331,667,209,014.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,816,325,309.56 : 986,028,076,596.80 = 221,267,639,165.76 : x
  2. Step 2: Convert to fraction form
    657,816,325,309.56/986,028,076,596.80 = 221,267,639,165.76/x
  3. Step 3: Cross multiply
    657,816,325,309.56x = 986,028,076,596.80 × 221,267,639,165.76
  4. Step 4: Simplify right side
    657,816,325,309.56x = 218,176,104,659,729,128,620,032
  5. Step 5: Solve for x
    x = 218,176,104,659,729,128,620,032/657,816,325,309.56
  6. Step 6: Final answer
    x = 331,667,209,014.70

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.